Chemistry Module 1 Quiz


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  • Created by: Eloise26
  • Created on: 15-04-14 20:28

1. Give the formulas of nitrogen monoxide and nitrogen dioxide.

  • Nitrogen monoxide= NO^2, nitrogen dioxide= NO
  • Nitrogen monoxide= NOO, nitrogen dioxide = NONONON
  • Nitrogen monoxide= NO, nitrogen dioxide= NO^2.
  • Nitrogen monoxide= PO, nitrogen dioxide= NO
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2. What do catalytic converters do?

  • They are fitted onto cars to see how much pollutants they are giving out.
  • They turn harmful gases into harmless gases by either adding or reducing the oxygen.
  • They speed up reaction by making it easier for the atoms to collide.
  • They trap the harmful gases and over time break them down until they are completely obliterated.

3. For a long time, the earths early atmosphere was mostly carbon dioxide. Where did this carbon dioxide come from?

  • The volcanoes.
  • Dinosaur excriment.
  • Decomposing plant life.
  • Meteors entering the earths atmosphere.

4. Name one result of pollution which causes direct harm to humans, and one which causes indirect harm.

  • Carbon monoxide (death if inhailed) and sulfer dioxide (acid rain).
  • Carbon monoxide (blood loss) and sulfer dioxide (global warming).
  • Oxygen (breathing problems) and Carbon (acid rain).
  • Argon (hearing loss) and Nitrates (global warming).

5. Describe how nitrogen dioxide is produced when fossil fuels are burnt.

  • Fuels in a car engine burn and create nitrogen monoxide, then once the carbon monoxide is in the air it will react with oxygen to give nitrogen dioxide.
  • Fuels in a car engine burn and create nitrogen monoxide, then once the nitrogen monoxide reacts with more nitrogen in the atmosphere is turns into nitrogen dioxide.
  • Fossil fuels are burnt and creates nitrogen. The nitrogen reacts with oxygen in the air and creates nitrogen dioxide.
  • Fossil fuels burn and create excess nitrogen so it's put in a combiner and turned into nitrogen dioxide for experiments.

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